Collaborative Stage

Collaborative Stage for TNM 7 - Revised 01/18/2010 [ Schema ]

CS Lymph Nodes

Note 1: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in the field Mets at DX.
Note 2: If information about named regional lymph nodes is available, use codes 100, 400, 450 or 500, rather than codes 600, 650, or 700.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	None; no regional lymph node involvement	N0	N0	NONE	NONE
100	Regional lymph nodes: Left gastric (superior gastric), NOS: Cardial Cardioesophageal Gastric, left Gastropancreatic, left Lesser curvature Lesser omental Paracardial Pancreaticosplenic (pancreaticolienal) Pancreatoduodenal Perigastric, NOS Peripancreatic Right gastric (inferior gastric), NOS: Gastrocolic Gastroduodenal Gastroepiploic (gastro-omental), right or NOS Gastrohepatic Greater curvature Greater omental Pyloric, NOS Infrapyloric (subpyloric) Suprapyloric Splenic (lienal), NOS: Gastroepiploic (gastro-omental), left Splenic hilar Nodule(s) in perigastric fat	^	*	RN	RN
400	Celiac Hepatic (excluding gastrohepatic, [see code 100] and hepatoduodenal [see code 420 which is obsolete in CSv2])	^	*	D	RN
420	OBSOLETE DATA RETAINED V0200 since cardia/EGJ, and the proximal 5cm of the fundus and body of the stomach have been moved from the Stomach schema in CSv2. For lesser curvature only: Hepatoduodenal	ERROR	*	D	D
450	Paraesophageal Periesophageal	^	*	D	RN
500	Regional lymph nodes, NOS	^	*	RN	RN
600	Stated as NI [NOS]	N1	N1	RN	RN
650	Stated as N2 [NOS]	N2	N2	RN	RN
700	Stated as N3 [NOS]	N3	N3	RN	RN
800	Lymph nodes, NOS	^	*	RN	RN
999	Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in patient record	NX	NX	U	U

* For codes 100-500 and 800 ONLY: when CS Regional Nodes Eval is 0, 1, 5, or 9, the N category is assigned from the Lymph Nodes Clinical Evaluation Table, using Reg LN Pos and CS Site-Specific Factor 1; when CS Regional Nodes Eval is 2, 3, 6, 8, or not coded, the N category is determined from the Lymph Nodes Pathologic Evaluation Table using Reg LN Pos.
^ For codes 100-500 and 800 ONLY: when CS Regional Nodes Eval is 0, 1, 5, or 9, the N category is assigned from the Lymph Nodes Clinical Evaluation 7th Edition Table, using Reg LN Pos and CS Site-Specific Factor 1; when CS Regional Nodes Eval is 2, 3, 6, 8, or not coded, the N category is determined from the Lymph Nodes Pathologic Evaluation 7th Edition Table using Reg LN Pos.